Optional
eventThe affected target node.
Type of change: 'add', 'remove', 'rename', 'move', 'data', ...
The affected tree instance.
Name of the event.
Contains the node's type information, i.e. tree.types[node.type]
if
defined. Set to {}
otherwise.
Exposed utility module methods (see API docs).
Originating HTML event if any (e.g.
click
).